The cylinder on the left contains hard water (0.04% or calcium chloride) to which a small amount of one of the new soapless soaps based on fatty alcohol sulfates has been added. Note the foamy suds extending all the way to the top of the cylinder....

Written on back: "so it appeared during R. W. Lukens lifetime. The lower end of the 'mansion' was built, it is believed, in the first quarter of the 18th Century by the Flemings. In 1757 the property passed to the Coates family who added the upper...

A new feature for the tobacco counter is this standard box of 25 cigars with two inner tray overwraps and opening tapes. DuPonts suggested insert label calls attention of retailers to added freshness and to novel method for maintaining full...

Written on back: "Originally built in 1870. Three high finishing rolls (at left) added in 1880. Photograph taken about 1900. Mill dismantled in 1927 after starting new [illegible] 84" [illegible] mill with 2 high roughing and 3 high finishing...

These paper barrel covers are used here in an eastern chemical plant to keep materials clean and dry during temporary storage or during transport from point to point within the plant. They are made of no ordinary paper however; barrels are often...

Originally built in 1883 as a hand fed open top furnace. Demolished by 1934. Note skip hoist from base of elevator shaft to furnace top and lack of a bridge from elevator to furnace top. Most likely added in a eary 20th century rebuild.

"At the time of the formation of the powder company, there were a few structures built by Jacob Broom for his mill hands in this general area. Others were added, of various sizes, through the 19th century, some of stone and some of frame...

"This structure was built in 1836-7, and had extensions added to it in 1849, about 1868, and again in 1877-8. It was used as the company office from 1837 until it was abandoned in 1891, when the second office building on Buck Road (now the home...

"The house was built in 1802-03 and was occupied by members of the family until 1890 when a serious explosion made it unsafe as a dwelling. It remained empty for a couple of years and was then reconstructed as a clubhouse for the employees'...

Lucie Renaudot of Paris makes interesting use of glass and metal in boudoir furniture for the modern home. Note the mirror glass as a table top and sides for the dressing table. Glass tubing is also used as supports for these two pieces, with...

"Original structure was built in 1802-3 and was added to as the plant expanded. It was partially burned in 1889 and repaired. It was seriously damaged in the 1890 explosion and was again repaired. It was razed in the early 1920's to make the...

Caption: "This apparatus automatically tips and empties the cars filled with newly mined coal as they emerge from the depths. Modern apparatus like this has added speed and efficiency to the preparation of Reading Anthracite for use as fuel in...

Bleaching of fabrics at DuPont's Electrochemicals Sales Service Laboratory at Chestnut Run. Here, results of a launderometer accelerated washing test are being checked. Bottles are preheated in rack at right. Bleach and textile samples are added...